ML620Q503/Q504 User’s Manual
Chapter 19 Port 2
FEUL620Q504 19–6
19.2.4 Port 2 Control Register (P2CON)
Address: 0F222H
Access: R/W
Access size: 8/16 bits
Initial value: 0000H
7
6
5
4
3
2
1
0
P2CON0
–
–
–
–
P23C0
P22C0
P21C0
P20C0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
P2CON1
–
–
–
–
P23C1
P22C1
P21C1
P20C1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value
0
0
0
0
0
0
0
0
P2CON0 and P2CON1 are special function registers (SFRs) to select input/output state of the Port 2 pin. The
input/output state is different between input mode and output mode. Input or output is selected by using the P2DIR
register.
Description of Bits
•
P23-20C1
(bits 3 to 0)
, P23-20C0
(bits 11 to 8)
The P27-20C1 pins and the P27-20C0 pins are used to select high-impedance output, P-channel open drain output,
N-channel open drain output, or CMOS output in output mode and to select high-impedance input, input with a
pull-down resistor, or input with a pull-up resistor in input mode.
Setting of P20 pin
When output mode is selected
(P20DIR bit = “0”)
When input mode is selected
(P20DIR bit = “1”)
P20C1
P20C0
Description
0
0
High-impedance output (initial value)
High-impedance input
0
1
P-channel open drain output
Input with a pull-down resistor
1
0
N-channel open drain output
Input with a pull-up resistor
1
1
CMOS output
High-impedance input
Setting of P21 pin
When output mode is selected
(P21DIR bit = “0”)
When input mode is selected
(P21DIR bit = “1”)
P21C1
P21C0
Description
0
0
High-impedance output (initial value)
High-impedance input
0
1
P-channel open drain output
Input with a pull-down resistor
1
0
N-channel open drain output
Input with a pull-up resistor
1
1
CMOS output
High-impedance input
Setting of P22 pin
When output mode is selected
(P22DIR bit = “0”)
When input mode is selected
(P22DIR bit = “1”)
P22C1
P22C0
Description
0
0
High-impedance output (initial value)
High-impedance input
0
1
P-channel open drain output
Input with a pull-down resistor
1
0
N-channel open drain output
Input with a pull-up resistor
1
1
CMOS output
High-impedance input
Содержание LAPIS SEMICONDUCTOR ML620Q503
Страница 2: ...ML620Q503 Q504 User s Manual Issue Date Apr 16 2015 FEUL620Q504 01...
Страница 18: ...Chapter 1 Overview...
Страница 32: ...Chapter 2 CPU and Memory Space...
Страница 44: ...Chapter 3 Reset Function...
Страница 50: ...Chapter 4 Power Management...
Страница 70: ...Chapter 5 Interrupts...
Страница 134: ...Chapter 6 Clock Generation Circuit...
Страница 161: ...Chapter 7 Time Base Counter...
Страница 170: ...Chapter 8 Timers...
Страница 183: ...Chapter 9 Function Timer FTM...
Страница 231: ...Chapter 10 Watchdog Timer...
Страница 239: ...Chapter 11 Synchronous Serial Port SSIO...
Страница 251: ...Chapter 12 Synchronous Serial Port with FIFO SSIOF...
Страница 283: ...Chapter 13 UART...
Страница 303: ...Chapter 14 UART with FIFO UARTF...
Страница 327: ...Chapter 15 I2 C Bus Interface...
Страница 344: ...Chapter 16 Port XT...
Страница 350: ...Chapter 17 Port 0...
Страница 361: ...Chapter 18 Port 1...
Страница 368: ...Chapter 19 Port2...
Страница 379: ...Chapter 20 Port 3...
Страница 395: ...Chapter 21 Port 4...
Страница 410: ...Chapter 22 Port 5...
Страница 426: ...Chapter 23 Melody Driver...
Страница 439: ...Chapter 24 RC Oscillation type A D Converter RC ADC...
Страница 462: ...Chapter 25 Successive Approximation Type A D Converter SA ADC...
Страница 479: ...Chapter 26 Analog Comparator...
Страница 489: ...Chapter 27 Flash Memory Control...
Страница 505: ...Chapter 28 Voltage Level Supervisor VLS...
Страница 517: ...Chapter 29 LLD circuit...
Страница 519: ...Chapter 30 On Chip Debug Function...
Страница 522: ...Appendixes...
Страница 552: ...Revision History...